File name: Pandora221s1_Palawan_20250428_L2Fit_fout2c3d20240201p1-8.txt File generation date: 20250428T161009.8Z Data description: Level 2 spectral fitting results file Data file version: fout2c3p1-8 Local principal investigator: Ellison Castro Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 221 Spectrometer number: 1 Processing software version used: BlickP v1.8.75 Instrument operation file used: Pandora221_OF_v3d20220412.txt Instrument calibration file used: Pandora221s1_CF_v3d20240201.txt Level 1 file used: Pandora221s1_Palawan_20250428_L1_smca1c3d20240201p1-8.txt Full location name: Department of Environment and Natural Resources - Provincial Environmental Manag Short location name: Palawan Country of location: Philippines Location latitude [deg]: 9.7915 Location longitude [deg]: 118.7340 Location altitude [m]: 56 Local noon date: 20250428 Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are latency correction, matrix method stray light correction (replaced by simple method) Data caveats: OoB session based on session 2 First and last pixel inside fitting window: 197 339 Nominal wavelengths inside fitting window [nm]: 305.0163 305.1575 305.2987 305.4399 305.5811 305.7222 305.8634 306.0045 306.1456 306.2868 306.4279 306.5690 306.7101 306.8511 306.9922 307.1333 307.2743 307.4153 307.5564 307.6974 307.8384 307.9793 308.1203 308.2613 308.4022 308.5432 308.6841 308.8250 308.9659 309.1068 309.2477 309.3886 309.5295 309.6703 309.8112 309.9520 310.0928 310.2336 310.3744 310.5152 310.6560 310.7968 310.9375 311.0782 311.2190 311.3597 311.5004 311.6411 311.7818 311.9225 312.0631 312.2038 312.3444 312.4851 312.6257 312.7663 312.9069 313.0475 313.1880 313.3286 313.4692 313.6097 313.7502 313.8907 314.0312 314.1717 314.3122 314.4527 314.5932 314.7336 314.8740 315.0145 315.1549 315.2953 315.4357 315.5761 315.7164 315.8568 315.9972 316.1375 316.2778 316.4181 316.5584 316.6987 316.8390 316.9793 317.1195 317.2598 317.4000 317.5402 317.6805 317.8207 317.9608 318.1010 318.2412 318.3813 318.5215 318.6616 318.8017 318.9419 319.0820 319.2220 319.3621 319.5022 319.6422 319.7823 319.9223 320.0623 320.2023 320.3423 320.4823 320.6223 320.7623 320.9022 321.0422 321.1821 321.3220 321.4619 321.6018 321.7417 321.8815 322.0214 322.1613 322.3011 322.4409 322.5807 322.7205 322.8603 323.0001 323.1399 323.2796 323.4194 323.5591 323.6988 323.8385 323.9782 324.1179 324.2576 324.3973 324.5369 324.6766 324.8162 324.9558 --------------------------------------------------------------------------------------- Column 1: Two letter code of measurement routine Column 2: UT date and time for center-time of measurement, yyyymmddThhmmssZ (ISO 8601) Column 3: Fractional days since 1-Jan-2000 midnight for center-time of measurement Column 4: Routine count (1 for the first routine of the day, 2 for the second, etc.) Column 5: Repetition count (1 for the first set in the routine, 2 for the second, etc.) Column 6: Total duration of measurement set in seconds Column 7: Data processing type index Column 8: Solar zenith angle for center-time of measurement in degree Column 9: Solar azimuth for center-time of measurement in degree, 0=north, increases clockwise Column 10: Lunar zenith angle for center-time of measurement in degree Column 11: Lunar azimuth for center-time of measurement in degree, 0=north, increases clockwise Column 12: Pointing zenith angle in degree, absolute or relative (see next column), 999=tracker not used Column 13: Zenith pointing mode: zenith angle is... 0=absolute, 1=relative to sun, 2=relative to moon Column 14: Pointing azimuth in degree, increases clockwise, absolute (0=north) or relative (see next column), 999=tracker not used Column 15: Azimuth pointing mode: like zenith angle mode but also fixed scattering angles relative to sun (3) or moon (4) Column 16: Fitting result index: 0=no error or warning, 1, 2=warning, >2=error Column 17: Number of function evaluations used, 0=linear fitting or fitting not successful or no fitting done Column 18: rms of unweighted fitting residuals, -9=fitting not successful Column 19: Normalized rms of fitting residuals weighted with independent uncertainty, -9=fitting not successful or no uncertainty used Column 20: Expected rms based on independent uncertainty, -9=fitting not successful or no uncertainty given Column 21: Expected normalized weighted rms based on independent uncertainty, -9=fitting not successful or no uncertainty given Column 22: Ozone slant column amount [moles per square meter], -9e99=fitting not successful Column 23: Independent uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 24: Structured uncertainty of ozone slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 25: Common uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -6=no common uncertainty input was given, -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 26: rms-based uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no rms-based uncertainty could be retrieved, -9=spectral fitting not successful Column 27: Ozone effective temperature [K] Column 28: Independent uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 29: Structured uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful Column 30: Common uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no common uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -6=no common uncertainty input was given, -9=spectral fitting not successful Column 31: Effective ozone fitting wavelength [nm], -9=fitting not successful Column 32: Diffuse correction applied before fitting at effective fitting wavelength for ozone [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 33: Sulfur dioxide slant column amount [moles per square meter], -9e99=fitting not successful Column 34: Independent uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 35: Structured uncertainty of sulfur dioxide slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 36: Common uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -6=no common uncertainty input was given, -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 37: rms-based uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no rms-based uncertainty could be retrieved, -9=spectral fitting not successful Column 38: Sulfur dioxide effective temperature [K] Column 39: Independent uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 40: Structured uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful Column 41: Common uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no common uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -6=no common uncertainty input was given, -9=spectral fitting not successful Column 42: Effective sulfur dioxide fitting wavelength [nm], -9=fitting not successful Column 43: Diffuse correction applied before fitting at effective fitting wavelength for sulfur dioxide [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 44: Molecular scattering air mass factor used for molecular scattering subtraction before the fitting Column 45: Estimated uncertainty of molecular scattering air mass factor, -9=molecular scattering was not subtracted before the fitting Column 46: Lower limit used for wavelength scaling [nm] Column 47: Upper limit used for wavelength scaling [nm] Column 48: Order of smoothing polynomial Column 49: Smoothing polynomial coefficient, order 0 Column 50: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 51: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 52: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 53: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 54: Smoothing polynomial coefficient, order 1 Column 55: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 56: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 57: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 58: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 59: Smoothing polynomial coefficient, order 2 Column 60: Independent uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 61: Structured uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 62: Common uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 63: rms-based uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 64: Smoothing polynomial coefficient, order 3 Column 65: Independent uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 66: Structured uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 67: Common uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 68: rms-based uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 69: Mean value of measured data inside fitting window [same units as measurements] Column 70: Wavelength change polynomial coefficient, order 0 Column 71: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 72: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 73: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 74: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 75: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination Column 76: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination Column 77: L2Fit data quality flag: 0=assured high quality, 1=assured medium quality, 2=assured low quality, 10=not-assured high quality, 11=not-assured medium quality, 12=not-assured low quality Column 78: Sum over 2^i using those i, for which the corresponding L2Fit data quality parameter exceeds the DQ1 limit, 0=L1 data quality above 0, 1=Spectral fitting was not successful, 2=Wavelength shift too large, 3=Normalized rms of fitting residuals weighted with independent uncertainty too large Column 79: Sum over 2^i using those i, for which the corresponding L2Fit data quality parameter exceeds the DQ2 limit (same parameters as for DQ1) Column 80: L1 data quality flag: 0=assured high quality, 1=assured medium quality, 2=assured low quality, 10=not-assured high quality, 11=not-assured medium quality, 12=not-assured low quality Column 81: Sum over 2^i using those i, for which the corresponding L1 data quality parameter exceeds the DQ1 limit, 0=Saturated data, 1=Too few dark counts measurements, 2=No temperature given or effective temperature too different from the reference temperature, 3=Dark count too high, 4=Unsuccessful dark background fitting, 5=The dark count differs significantly from the dark map for too many pixels, 6=Absolute value of estimated average residual stray light level too high, 7=Although attempted, no wavelength change could be retrieved, 8=Absolute value of retrieved wavelength shift too large, 9=Retrieved wavelength shift differs too much from the shift predicted by the effective temperature Column 82: Sum over 2^i using those i, for which the corresponding L1 data quality parameter exceeds the DQ2 limit (same parameters as for DQ1) Column 83: Atmospheric variability [%], 999=no atmospheric variability was determined Column 84: Wavelength effective temperature [°C], 999=no effective temperature given Column 85: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher) Column 86: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination Column 87: Retrieved total wavelength shift [nm], -9=no wavelength change fitting Column 88: Number of bright count cycles Column 89: Number of dark count cycles Column 90: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions Column 91: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions Column 92: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal Column 93: Integration time [ms] Column 94: Temperature at electronics board [°C], 999=no temperature signal Column 95: Spectrometer control temperature [°C], 999=no temperature signal Column 96: Auxiliary spectrometer temperature [°C], 999=no temperature signal Column 97: Temperature in head sensor [°C], 999=no temperature signal Column 98: Humidity in head sensor [%], -9=no humidity signal Column 99: Pressure in head sensor [hPa], -9=no pressure signal Columns 100-242: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 243-385: Normalized slant column residuals weighted with independent instrumental uncertainty for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting, 0=no independent instrumental uncertainty was given --------------------------------------------------------------------------------------- SS 20250428T040135.6Z 9249.167774 247 1 50.28 2 4.43 3.15 10.57 21.81 0.00 1 0.00 1 0 17 1.048e-02 8.533e-03 1.662e-03 1.354e-03 1.239538e-01 6.885903e-04 1.306503e-03 -6.000000e+00 5.872145e-03 228.64 -2.00 3.06 -2.00 313.85 0.00e+00 5.210439e-04 5.053891e-05 1.417291e-05 -6.000000e+00 2.724876e-04 294.80 -2.00 20.00 -2.00 313.23 0.00e+00 1.003 0.000 302.00 328.00 3 5.7523e+00 1.7501e-03 1.1321e-02 -6.0000e+00 1.4567e-02 2.9673e-02 1.9386e-03 5.5818e-03 -6.0000e+00 1.5801e-02 -2.3190e-03 1.1171e-03 2.6813e-03 -6.0000e+00 9.4744e-03 -4.7375e-03 4.8399e-04 7.7876e-04 -6.0000e+00 4.0669e-03 5.8350e-04 1.1728e-04 3.5610e-05 9.5764e-06 -6.0000e+00 2.6455e-04 1.1546e-02 6.6043e-05 11 9 0 11 8 0 97.48 23.36 0.40 0.01155 0.01243 13 2 1 5 0 3867.210 25.90 20.00 23.36 40.91 7.4 1006.85 1360 1684 155 -1825 -2619 -1775 -1561 411 1738 1134 -2303 -1857 -383 -364 1311 641 -303 1209 718 1080 1155 -220 1298 1031 392 808 -120 -190 -1102 -267 -2234 617 2238 767 -3258 -2700 -2696 -1070 -207 -281 -548 -90 -23 -826 -89 -366 -827 -473 -1042 -823 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867 564 -333 369 209 41 270 -167 -415 -321 -266 193 434 823 315 -46 29 -1062 -1281 SS 20250428T040704.0Z 9249.171574 250 1 51.87 2 4.56 346.24 10.17 15.15 0.00 1 0.00 1 0 17 9.997e-03 8.222e-03 1.287e-03 1.057e-03 1.228239e-01 5.388541e-04 1.297530e-03 -6.000000e+00 5.599656e-03 228.64 -2.00 3.06 -2.00 313.81 0.00e+00 4.573927e-04 3.933693e-05 1.652127e-05 -6.000000e+00 2.598401e-04 294.80 -2.00 20.00 -2.00 313.21 0.00e+00 1.003 0.000 302.00 328.00 3 5.3099e+00 1.3682e-03 1.1298e-02 -6.0000e+00 1.3891e-02 2.3032e-02 1.5132e-03 5.5269e-03 -6.0000e+00 1.5068e-02 -2.9229e-03 8.7327e-04 2.6595e-03 -6.0000e+00 9.0347e-03 -4.1389e-03 3.7897e-04 7.5908e-04 -6.0000e+00 3.8783e-03 9.1286e-04 1.3755e-04 2.7783e-05 9.4501e-06 -6.0000e+00 2.5226e-04 1.1202e-02 5.9158e-05 11 8 0 10 0 0 94.25 23.36 0.33 0.01120 0.01224 23 4 1 5 0 2255.230 26.00 19.99 23.36 40.53 7.4 1004.98 1131 534 495 -1774 -2688 -2045 -685 457 1771 1172 -2144 -2057 -787 -512 779 675 -80 1177 590 1091 973 184 1410 1299 659 725 186 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